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Spirosigmoilinella
Taxonomy
Spirosigmoilinella is a genus. It is not extant.
It was assigned to Rzehakinidae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
It was assigned to Rzehakinidae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Spirosigmoilinella Loeblich and Tappan |
| 2002 | Spirosigmoilinella Sepkoski |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Oligocene to the top of the Pleistocene or 27.30000 to 0.01170 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | North Atlantic | S. compressa (121375 121377) | |
| Rupelian - Chattian | North Pacific | S. compressa (268616) | |
| Late/Upper Oligocene | North Atlantic | S. compressa (121378) | |
| Miocene | North Pacific | S. compressa (249965 249966 249967 250599 250600) S. sp. (249969) | |
| Langhian - Serravallian | North Pacific | S. compressa (268574 268603) | |
| Pliocene | North Pacific | S. compressa (252091 252092 252093 252109) | |
| Pliocene - Pleistocene | North Pacific | S. compressa (252090) | |
| Pleistocene | North Pacific | S. compressa (252081 252082 252084 252085 252087 252088 252089) |